Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 5.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2022   10:14:53   ( -72.46,-153.88) 12/06/2022   10:16:00  ( -72.47,-153.78)    3.63                67
 12/06/2022   11:05:38   (  72.33,  13.68) 12/06/2022   11:05:28  (  72.33,  13.60)    2.56                10
 12/06/2022   11:56:13   ( -71.86,-178.09) 12/06/2022   11:55:03  ( -71.94,-179.46)   48.26                70
 12/09/2022   01:42:13   (  72.40, 154.42) 12/09/2022   01:43:02  (  72.40, 154.33)    3.13                49
 12/09/2022   02:32:56   ( -72.33, -38.12) 12/09/2022   02:32:31  ( -72.33, -38.16)    1.17                25
 12/11/2022   17:09:31   ( -72.41, 102.62) 12/11/2022   17:10:05  ( -72.39, 102.55)    2.99                34
 12/11/2022   18:00:17   (  72.34, -89.94) 12/11/2022   17:59:31  (  72.35, -89.88)    2.35                46
 12/14/2022   07:46:19   ( -73.19,-118.15) 12/14/2022   07:47:25  ( -73.12,-115.45)   87.35                66
 12/14/2022   08:36:50   (  72.37,  50.88) 12/14/2022   08:37:04  (  72.39,  50.79)    3.32                14
 12/14/2022   09:27:34   ( -72.35,-141.75) 12/14/2022   09:26:33  ( -72.33,-141.68)    3.05                61
 12/16/2022   23:13:25   (  72.46,-168.41) 12/16/2022   23:14:37  (  72.46,-168.46)    1.73                72
 12/17/2022   00:04:08   ( -72.38,  -0.92) 12/17/2022   00:04:06  ( -72.41,  -0.93)    3.01                 2